Electronic Fund Transfer- ACH Debit

EFT (Electronic Fund Transfer) using the CA SDU website: www.casdu.com

This type of EFT (Electronic Funds Transfer) uses the ACH network, but is considered an ACH debit. Payments can be made using:

  • Visa/MasterCard
  • A checking account
  • A savings account


Employers use the SDU website to inform the SDU how much child support withheld and for which employees. The employer then authorizes the SDU to take that amount of money out of the employer's bank account. This option is also available through the telephone voice response system.

Employers that wish to use this option must register using the website. To enroll in this program, click here  There are no fees for this service nor is special software required. All transactions are secured using a PIN number.